Seiko Cal. 5278 - 821

The 5278-821 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-0319e1b1fe13]

Also known as: Helmet, Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1989

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